<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"> <style>
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	</style></head><body><pre><span class='line'>  1</span> <span class="COMM">/*****************************************************************************
<span class='line'>  2</span> * Cal3D 3d character animation library
<span class='line'>  3</span> * Copyright (C) 2001, 2002 Bruno 'Beosil' Heidelberger
<span class='line'>  4</span> *
<span class='line'>  5</span> * This library is free software; you can redistribute it and/or modify it
<span class='line'>  6</span> * under the terms of the GNU Lesser General Public License as published by
<span class='line'>  7</span> * the Free Software Foundation; either version 2.1 of the License, or (at
<span class='line'>  8</span> * your option) any later version.
<span class='line'>  9</span> *****************************************************************************/</span><span class="WHIT">
<span class='line'> 10</span> 
<span class='line'> 11</span> </span><span class="COMM">/*****************************************************************************
<span class='line'> 12</span> * Cal3DJS Javascript port of Cal3D for WebGL and canvas applications
<span class='line'> 13</span> * by Humu humu2009@gmail.com
<span class='line'> 14</span> * http://code.google.com/p/cal3djs/
<span class='line'> 15</span> *****************************************************************************/</span><span class="WHIT">
<span class='line'> 16</span> 
<span class='line'> 17</span> 
<span class='line'> 18</span> </span><span class="COMM">/**
<span class='line'> 19</span> 	@class CalMatrix
<span class='line'> 20</span> */</span><span class="WHIT">
<span class='line'> 21</span> </span><span class="NAME">Cal3D.CalMatrix</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">function</span><span class="PUNC">(</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'> 22</span> </span><span class="WHIT">	</span><span class="NAME">this.dxdx</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NUMB">1</span><span class="PUNC">;</span><span class="WHIT"> </span><span class="NAME">this.dydx</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">;</span><span class="WHIT"> </span><span class="NAME">this.dzdx</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 23</span> </span><span class="WHIT">	</span><span class="NAME">this.dxdy</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">;</span><span class="WHIT"> </span><span class="NAME">this.dydy</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NUMB">1</span><span class="PUNC">;</span><span class="WHIT"> </span><span class="NAME">this.dzdy</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 24</span> </span><span class="WHIT">	</span><span class="NAME">this.dxdz</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">;</span><span class="WHIT"> </span><span class="NAME">this.dydz</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">;</span><span class="WHIT"> </span><span class="NAME">this.dzdz</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NUMB">1</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 25</span> 
<span class='line'> 26</span> </span><span class="WHIT">	</span><span class="NAME">this.assign.apply</span><span class="PUNC">(</span><span class="KEYW">this</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">arguments</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 27</span> </span><span class="PUNC">}</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 28</span> 
<span class='line'> 29</span> </span><span class="COMM">/**
<span class='line'> 30</span> 	Directly assign elements of the matrix, or copy elements from another matrix, or calculate elements form a quaternion.&lt;br />
<span class='line'> 31</span> */</span><span class="WHIT">
<span class='line'> 32</span> </span><span class="NAME">Cal3D.CalMatrix.prototype.assign</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">function</span><span class="PUNC">(</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'> 33</span> </span><span class="WHIT">	</span><span class="KEYW">if</span><span class="PUNC">(</span><span class="NAME">arguments.length</span><span class="WHIT"> </span><span class="PUNC">==</span><span class="WHIT"> </span><span class="NUMB">1</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'> 34</span> </span><span class="WHIT">		</span><span class="KEYW">if</span><span class="PUNC">(</span><span class="NAME">arguments</span><span class="PUNC">[</span><span class="NUMB">0</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="KEYW">instanceof</span><span class="WHIT"> </span><span class="NAME">Cal3D.CalMatrix</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'> 35</span> </span><span class="WHIT">			</span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">other</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">arguments</span><span class="PUNC">[</span><span class="NUMB">0</span><span class="PUNC">]</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 36</span> </span><span class="WHIT">			</span><span class="NAME">this.dxdx</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">other.dxdx</span><span class="PUNC">;</span><span class="WHIT"> </span><span class="NAME">this.dydx</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">other.dydx</span><span class="PUNC">;</span><span class="WHIT"> </span><span class="NAME">this.dzdx</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">other.dzdx</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 37</span> </span><span class="WHIT">			</span><span class="NAME">this.dxdy</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">other.dxdy</span><span class="PUNC">;</span><span class="WHIT"> </span><span class="NAME">this.dydy</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">other.dydy</span><span class="PUNC">;</span><span class="WHIT"> </span><span class="NAME">this.dzdy</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">other.dzdy</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 38</span> </span><span class="WHIT">			</span><span class="NAME">this.dxdz</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">other.dxdz</span><span class="PUNC">;</span><span class="WHIT"> </span><span class="NAME">this.dydz</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">other.dydz</span><span class="PUNC">;</span><span class="WHIT"> </span><span class="NAME">this.dzdz</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">other.dzdz</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 39</span> </span><span class="WHIT">		</span><span class="PUNC">}</span><span class="WHIT">
<span class='line'> 40</span> </span><span class="WHIT">		</span><span class="KEYW">else</span><span class="WHIT"> </span><span class="KEYW">if</span><span class="PUNC">(</span><span class="NAME">arguments</span><span class="PUNC">[</span><span class="NUMB">0</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="KEYW">instanceof</span><span class="WHIT"> </span><span class="NAME">Cal3D.CalQuaternion</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'> 41</span> </span><span class="WHIT">			</span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">q</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">arguments</span><span class="PUNC">[</span><span class="NUMB">0</span><span class="PUNC">]</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 42</span> </span><span class="WHIT">			</span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">xx2</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">q.x</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="NAME">q.x</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="NUMB">2</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 43</span> </span><span class="WHIT">			</span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">yy2</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">q.y</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="NAME">q.y</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="NUMB">2</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 44</span> </span><span class="WHIT">			</span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">zz2</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">q.z</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="NAME">q.z</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="NUMB">2</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 45</span> </span><span class="WHIT">			</span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">xy2</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">q.x</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="NAME">q.y</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="NUMB">2</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 46</span> </span><span class="WHIT">			</span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">zw2</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">q.z</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="NAME">q.w</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="NUMB">2</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 47</span> </span><span class="WHIT">			</span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">xz2</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">q.x</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="NAME">q.z</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="NUMB">2</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 48</span> </span><span class="WHIT">			</span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">yw2</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">q.y</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="NAME">q.w</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="NUMB">2</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 49</span> </span><span class="WHIT">			</span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">yz2</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">q.y</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="NAME">q.z</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="NUMB">2</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 50</span> </span><span class="WHIT">			</span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">xw2</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">q.x</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="NAME">q.w</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="NUMB">2</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 51</span> </span><span class="WHIT">			</span><span class="NAME">this.dxdx</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NUMB">1</span><span class="PUNC">-</span><span class="NAME">yy2</span><span class="PUNC">-</span><span class="NAME">zz2</span><span class="PUNC">;</span><span class="WHIT">   </span><span class="NAME">this.dxdy</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT">   </span><span class="NAME">xy2</span><span class="PUNC">+</span><span class="NAME">zw2</span><span class="PUNC">;</span><span class="WHIT">  </span><span class="NAME">this.dxdz</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT">   </span><span class="NAME">xz2</span><span class="PUNC">-</span><span class="NAME">yw2</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 52</span> </span><span class="WHIT">			</span><span class="NAME">this.dydx</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT">   </span><span class="NAME">xy2</span><span class="PUNC">-</span><span class="NAME">zw2</span><span class="PUNC">;</span><span class="WHIT">   </span><span class="NAME">this.dydy</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NUMB">1</span><span class="PUNC">-</span><span class="NAME">xx2</span><span class="PUNC">-</span><span class="NAME">zz2</span><span class="PUNC">;</span><span class="WHIT">  </span><span class="NAME">this.dydz</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT">   </span><span class="NAME">yz2</span><span class="PUNC">+</span><span class="NAME">xw2</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 53</span> </span><span class="WHIT">			</span><span class="NAME">this.dzdx</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT">   </span><span class="NAME">xz2</span><span class="PUNC">+</span><span class="NAME">yw2</span><span class="PUNC">;</span><span class="WHIT">   </span><span class="NAME">this.dzdy</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT">   </span><span class="NAME">yz2</span><span class="PUNC">-</span><span class="NAME">xw2</span><span class="PUNC">;</span><span class="WHIT">  </span><span class="NAME">this.dzdz</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NUMB">1</span><span class="PUNC">-</span><span class="NAME">xx2</span><span class="PUNC">-</span><span class="NAME">yy2</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 54</span> </span><span class="WHIT">		</span><span class="PUNC">}</span><span class="WHIT">
<span class='line'> 55</span> </span><span class="WHIT">	</span><span class="PUNC">}</span><span class="WHIT">
<span class='line'> 56</span> </span><span class="WHIT">	</span><span class="KEYW">else</span><span class="WHIT"> </span><span class="KEYW">if</span><span class="PUNC">(</span><span class="NAME">arguments.length</span><span class="WHIT"> </span><span class="PUNC">==</span><span class="WHIT"> </span><span class="NUMB">2</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'> 57</span> </span><span class="WHIT">		</span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">weight</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">arguments</span><span class="PUNC">[</span><span class="NUMB">0</span><span class="PUNC">]</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 58</span> </span><span class="WHIT">		</span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">m</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">arguments</span><span class="PUNC">[</span><span class="NUMB">1</span><span class="PUNC">]</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 59</span> </span><span class="WHIT">		</span><span class="NAME">this.dxdx</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">m.dxdx</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="NAME">weight</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 60</span> </span><span class="WHIT">		</span><span class="NAME">this.dxdy</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">m.dxdy</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="NAME">weight</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 61</span> </span><span class="WHIT">		</span><span class="NAME">this.dxdz</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">m.dxdz</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="NAME">weight</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 62</span> </span><span class="WHIT">		</span><span class="NAME">this.dydx</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">m.dydx</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="NAME">weight</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 63</span> </span><span class="WHIT">		</span><span class="NAME">this.dydy</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">m.dydy</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="NAME">weight</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 64</span> </span><span class="WHIT">		</span><span class="NAME">this.dydz</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">m.dydz</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="NAME">weight</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 65</span> </span><span class="WHIT">		</span><span class="NAME">this.dzdx</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">m.dzdx</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="NAME">weight</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 66</span> </span><span class="WHIT">		</span><span class="NAME">this.dzdy</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">m.dzdy</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="NAME">weight</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 67</span> </span><span class="WHIT">		</span><span class="NAME">this.dzdz</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">m.dzdz</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="NAME">weight</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 68</span> </span><span class="WHIT">	</span><span class="PUNC">}</span><span class="WHIT">
<span class='line'> 69</span> </span><span class="WHIT">	</span><span class="KEYW">else</span><span class="WHIT"> </span><span class="KEYW">if</span><span class="PUNC">(</span><span class="NAME">arguments.length</span><span class="WHIT"> </span><span class="PUNC">==</span><span class="WHIT"> </span><span class="NUMB">9</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'> 70</span> </span><span class="WHIT">		</span><span class="NAME">this.dxdx</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">arguments</span><span class="PUNC">[</span><span class="NUMB">0</span><span class="PUNC">]</span><span class="PUNC">;</span><span class="WHIT"> </span><span class="NAME">this.dydx</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">arguments</span><span class="PUNC">[</span><span class="NUMB">1</span><span class="PUNC">]</span><span class="PUNC">;</span><span class="WHIT"> </span><span class="NAME">this.dzdx</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">arguments</span><span class="PUNC">[</span><span class="NUMB">2</span><span class="PUNC">]</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 71</span> </span><span class="WHIT">		</span><span class="NAME">this.dxdy</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">arguments</span><span class="PUNC">[</span><span class="NUMB">3</span><span class="PUNC">]</span><span class="PUNC">;</span><span class="WHIT"> </span><span class="NAME">this.dydy</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">arguments</span><span class="PUNC">[</span><span class="NUMB">4</span><span class="PUNC">]</span><span class="PUNC">;</span><span class="WHIT"> </span><span class="NAME">this.dzdy</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">arguments</span><span class="PUNC">[</span><span class="NUMB">5</span><span class="PUNC">]</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 72</span> </span><span class="WHIT">		</span><span class="NAME">this.dxdz</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">arguments</span><span class="PUNC">[</span><span class="NUMB">6</span><span class="PUNC">]</span><span class="PUNC">;</span><span class="WHIT"> </span><span class="NAME">this.dydz</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">arguments</span><span class="PUNC">[</span><span class="NUMB">7</span><span class="PUNC">]</span><span class="PUNC">;</span><span class="WHIT"> </span><span class="NAME">this.dzdz</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">arguments</span><span class="PUNC">[</span><span class="NUMB">8</span><span class="PUNC">]</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 73</span> </span><span class="WHIT">	</span><span class="PUNC">}</span><span class="WHIT">
<span class='line'> 74</span> 
<span class='line'> 75</span> </span><span class="WHIT">	</span><span class="KEYW">return</span><span class="WHIT"> </span><span class="KEYW">this</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 76</span> </span><span class="PUNC">}</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 77</span> 
<span class='line'> 78</span> </span><span class="COMM">/**
<span class='line'> 79</span> 	Multiply another matrix to this matrix.
<span class='line'> 80</span> */</span><span class="WHIT">
<span class='line'> 81</span> </span><span class="NAME">Cal3D.CalMatrix.prototype.multMatrixLocal</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">function</span><span class="PUNC">(</span><span class="NAME">m</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'> 82</span> </span><span class="WHIT">	</span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">ndxdx</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">m.dxdx</span><span class="PUNC">*</span><span class="NAME">this.dxdx</span><span class="PUNC">+</span><span class="NAME">m.dxdy</span><span class="PUNC">*</span><span class="NAME">this.dydx</span><span class="PUNC">+</span><span class="NAME">m.dxdz</span><span class="PUNC">*</span><span class="NAME">this.dzdx</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 83</span> </span><span class="WHIT">	</span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">ndydx</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">m.dydx</span><span class="PUNC">*</span><span class="NAME">this.dxdx</span><span class="PUNC">+</span><span class="NAME">m.dydy</span><span class="PUNC">*</span><span class="NAME">this.dydx</span><span class="PUNC">+</span><span class="NAME">m.dydz</span><span class="PUNC">*</span><span class="NAME">this.dzdx</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 84</span> </span><span class="WHIT">	</span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">ndzdx</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">m.dzdx</span><span class="PUNC">*</span><span class="NAME">this.dxdx</span><span class="PUNC">+</span><span class="NAME">m.dzdy</span><span class="PUNC">*</span><span class="NAME">this.dydx</span><span class="PUNC">+</span><span class="NAME">m.dzdz</span><span class="PUNC">*</span><span class="NAME">this.dzdx</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 85</span> 
<span class='line'> 86</span> </span><span class="WHIT">	</span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">ndxdy</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">m.dxdx</span><span class="PUNC">*</span><span class="NAME">this.dxdy</span><span class="PUNC">+</span><span class="NAME">m.dxdy</span><span class="PUNC">*</span><span class="NAME">this.dydy</span><span class="PUNC">+</span><span class="NAME">m.dxdz</span><span class="PUNC">*</span><span class="NAME">this.dzdy</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 87</span> </span><span class="WHIT">	</span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">ndydy</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">m.dydx</span><span class="PUNC">*</span><span class="NAME">this.dxdy</span><span class="PUNC">+</span><span class="NAME">m.dydy</span><span class="PUNC">*</span><span class="NAME">this.dydy</span><span class="PUNC">+</span><span class="NAME">m.dydz</span><span class="PUNC">*</span><span class="NAME">this.dzdy</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 88</span> </span><span class="WHIT">	</span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">ndzdy</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">m.dzdx</span><span class="PUNC">*</span><span class="NAME">this.dxdy</span><span class="PUNC">+</span><span class="NAME">m.dzdy</span><span class="PUNC">*</span><span class="NAME">this.dydy</span><span class="PUNC">+</span><span class="NAME">m.dzdz</span><span class="PUNC">*</span><span class="NAME">this.dzdy</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 89</span> 
<span class='line'> 90</span> </span><span class="WHIT">	</span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">ndxdz</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">m.dxdx</span><span class="PUNC">*</span><span class="NAME">this.dxdz</span><span class="PUNC">+</span><span class="NAME">m.dxdy</span><span class="PUNC">*</span><span class="NAME">this.dydz</span><span class="PUNC">+</span><span class="NAME">m.dxdz</span><span class="PUNC">*</span><span class="NAME">this.dzdz</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 91</span> </span><span class="WHIT">	</span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">ndydz</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">m.dydx</span><span class="PUNC">*</span><span class="NAME">this.dxdz</span><span class="PUNC">+</span><span class="NAME">m.dydy</span><span class="PUNC">*</span><span class="NAME">this.dydz</span><span class="PUNC">+</span><span class="NAME">m.dydz</span><span class="PUNC">*</span><span class="NAME">this.dzdz</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 92</span> </span><span class="WHIT">	</span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">ndzdz</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">m.dzdx</span><span class="PUNC">*</span><span class="NAME">this.dxdz</span><span class="PUNC">+</span><span class="NAME">m.dzdy</span><span class="PUNC">*</span><span class="NAME">this.dydz</span><span class="PUNC">+</span><span class="NAME">m.dzdz</span><span class="PUNC">*</span><span class="NAME">this.dzdz</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 93</span> 
<span class='line'> 94</span> </span><span class="WHIT">	</span><span class="NAME">this.dxdx</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">ndxdx</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 95</span> </span><span class="WHIT">	</span><span class="NAME">this.dydx</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">ndydx</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 96</span> </span><span class="WHIT">	</span><span class="NAME">this.dzdx</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">ndzdx</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 97</span> </span><span class="WHIT">	</span><span class="NAME">this.dxdy</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">ndxdy</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 98</span> </span><span class="WHIT">	</span><span class="NAME">this.dydy</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">ndydy</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 99</span> </span><span class="WHIT">	</span><span class="NAME">this.dzdy</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">ndzdy</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>100</span> </span><span class="WHIT">	</span><span class="NAME">this.dxdz</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">ndxdz</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>101</span> </span><span class="WHIT">	</span><span class="NAME">this.dydz</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">ndydz</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>102</span> </span><span class="WHIT">	</span><span class="NAME">this.dzdz</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">ndzdz</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>103</span> 
<span class='line'>104</span> </span><span class="WHIT">	</span><span class="KEYW">return</span><span class="WHIT"> </span><span class="KEYW">this</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>105</span> </span><span class="PUNC">}</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>106</span> 
<span class='line'>107</span> </span><span class="COMM">/**
<span class='line'>108</span> 	Multiply a scalar factor to the matrix.
<span class='line'>109</span> */</span><span class="WHIT">
<span class='line'>110</span> </span><span class="NAME">Cal3D.CalMatrix.prototype.multScalarLocal</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">function</span><span class="PUNC">(</span><span class="NAME">factor</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>111</span> </span><span class="WHIT">	</span><span class="NAME">this.dxdx</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">factor</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>112</span> </span><span class="WHIT">	</span><span class="NAME">this.dydx</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">factor</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>113</span> </span><span class="WHIT">	</span><span class="NAME">this.dzdx</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">factor</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>114</span> </span><span class="WHIT">	</span><span class="NAME">this.dxdy</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">factor</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>115</span> </span><span class="WHIT">	</span><span class="NAME">this.dydy</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">factor</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>116</span> </span><span class="WHIT">	</span><span class="NAME">this.dzdy</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">factor</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>117</span> </span><span class="WHIT">	</span><span class="NAME">this.dxdz</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">factor</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>118</span> </span><span class="WHIT">	</span><span class="NAME">this.dydz</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">factor</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>119</span> </span><span class="WHIT">	</span><span class="NAME">this.dzdz</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">factor</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>120</span> 
<span class='line'>121</span> </span><span class="WHIT">	</span><span class="KEYW">return</span><span class="WHIT"> </span><span class="KEYW">this</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>122</span> </span><span class="PUNC">}</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>123</span> 
<span class='line'>124</span> </span><span class="COMM">/**
<span class='line'>125</span> 	Add a weight times another matrix to this. matrix.
<span class='line'>126</span> */</span><span class="WHIT">
<span class='line'>127</span> </span><span class="NAME">Cal3D.CalMatrix.prototype.blend</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">function</span><span class="PUNC">(</span><span class="NAME">factor</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">m</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>128</span> </span><span class="WHIT">	</span><span class="NAME">this.dxdx</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">m.dxdx</span><span class="PUNC">*</span><span class="NAME">factor</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>129</span> </span><span class="WHIT">	</span><span class="NAME">this.dydx</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">m.dydx</span><span class="PUNC">*</span><span class="NAME">factor</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>130</span> </span><span class="WHIT">	</span><span class="NAME">this.dzdx</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">m.dzdx</span><span class="PUNC">*</span><span class="NAME">factor</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>131</span> </span><span class="WHIT">	</span><span class="NAME">this.dxdy</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">m.dxdy</span><span class="PUNC">*</span><span class="NAME">factor</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>132</span> </span><span class="WHIT">	</span><span class="NAME">this.dydy</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">m.dydy</span><span class="PUNC">*</span><span class="NAME">factor</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>133</span> </span><span class="WHIT">	</span><span class="NAME">this.dzdy</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">m.dzdy</span><span class="PUNC">*</span><span class="NAME">factor</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>134</span> </span><span class="WHIT">	</span><span class="NAME">this.dxdz</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">m.dxdz</span><span class="PUNC">*</span><span class="NAME">factor</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>135</span> </span><span class="WHIT">	</span><span class="NAME">this.dydz</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">m.dydz</span><span class="PUNC">*</span><span class="NAME">factor</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>136</span> </span><span class="WHIT">	</span><span class="NAME">this.dzdz</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">m.dzdz</span><span class="PUNC">*</span><span class="NAME">factor</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>137</span> </span><span class="PUNC">}</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>138</span> 
<span class='line'>139</span> </span><span class="COMM">/**
<span class='line'>140</span> 	Calculate determinant of the matrix.
<span class='line'>141</span> */</span><span class="WHIT">
<span class='line'>142</span> </span><span class="NAME">Cal3D.CalMatrix.prototype.det</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">function</span><span class="PUNC">(</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>143</span> </span><span class="WHIT">	</span><span class="KEYW">return</span><span class="WHIT">    </span><span class="NAME">this.dxdx</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">this.dydy</span><span class="PUNC">*</span><span class="NAME">this.dzdz</span><span class="PUNC">-</span><span class="NAME">this.dydz</span><span class="PUNC">*</span><span class="NAME">this.dzdy</span><span class="PUNC">)</span><span class="WHIT">
<span class='line'>144</span> </span><span class="WHIT">			</span><span class="PUNC">-</span><span class="WHIT"> </span><span class="NAME">this.dxdy</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">this.dydx</span><span class="PUNC">*</span><span class="NAME">this.dzdz</span><span class="PUNC">-</span><span class="NAME">this.dzdx</span><span class="PUNC">*</span><span class="NAME">this.dydz</span><span class="PUNC">)</span><span class="WHIT">
<span class='line'>145</span> </span><span class="WHIT">			</span><span class="PUNC">+</span><span class="WHIT"> </span><span class="NAME">this.dxdz</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">this.dydx</span><span class="PUNC">*</span><span class="NAME">this.dzdy</span><span class="PUNC">-</span><span class="NAME">this.dzdx</span><span class="PUNC">*</span><span class="NAME">this.dydy</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>146</span> </span><span class="PUNC">}</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>147</span> 
<span class='line'>148</span> 
<span class='line'>149</span> 
<span class='line'>150</span> </span><span class="COMM">/**
<span class='line'>151</span> 	@class CalQuaternion
<span class='line'>152</span> */</span><span class="WHIT">
<span class='line'>153</span> </span><span class="NAME">Cal3D.CalQuaternion</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">function</span><span class="PUNC">(</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>154</span> </span><span class="WHIT">	</span><span class="NAME">this.x</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>155</span> </span><span class="WHIT">	</span><span class="NAME">this.y</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>156</span> </span><span class="WHIT">	</span><span class="NAME">this.z</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>157</span> </span><span class="WHIT">	</span><span class="NAME">this.w</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NUMB">1</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>158</span> 
<span class='line'>159</span> </span><span class="WHIT">	</span><span class="NAME">this.assign.apply</span><span class="PUNC">(</span><span class="KEYW">this</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">arguments</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>160</span> </span><span class="PUNC">}</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>161</span> 
<span class='line'>162</span> </span><span class="COMM">/**
<span class='line'>163</span> 	Directly assign components of the quaternion, or copy components from another quaternion.
<span class='line'>164</span> */</span><span class="WHIT">
<span class='line'>165</span> </span><span class="NAME">Cal3D.CalQuaternion.prototype.assign</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">function</span><span class="PUNC">(</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>166</span> </span><span class="WHIT">	</span><span class="KEYW">if</span><span class="PUNC">(</span><span class="NAME">arguments.length</span><span class="WHIT"> </span><span class="PUNC">==</span><span class="WHIT"> </span><span class="NUMB">1</span><span class="WHIT"> </span><span class="PUNC">&&</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">arguments</span><span class="PUNC">[</span><span class="NUMB">0</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="KEYW">instanceof</span><span class="WHIT"> </span><span class="NAME">Cal3D.CalQuaternion</span><span class="PUNC">)</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>167</span> </span><span class="WHIT">		</span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">other</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">arguments</span><span class="PUNC">[</span><span class="NUMB">0</span><span class="PUNC">]</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>168</span> </span><span class="WHIT">		</span><span class="NAME">this.x</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">other.x</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>169</span> </span><span class="WHIT">		</span><span class="NAME">this.y</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">other.y</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>170</span> </span><span class="WHIT">		</span><span class="NAME">this.z</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">other.z</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>171</span> </span><span class="WHIT">		</span><span class="NAME">this.w</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">other.w</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>172</span> </span><span class="WHIT">	</span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>173</span> </span><span class="WHIT">	</span><span class="KEYW">else</span><span class="WHIT"> </span><span class="KEYW">if</span><span class="PUNC">(</span><span class="NAME">arguments.length</span><span class="WHIT"> </span><span class="PUNC">==</span><span class="WHIT"> </span><span class="NUMB">4</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>174</span> </span><span class="WHIT">		</span><span class="NAME">this.x</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">arguments</span><span class="PUNC">[</span><span class="NUMB">0</span><span class="PUNC">]</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>175</span> </span><span class="WHIT">		</span><span class="NAME">this.y</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">arguments</span><span class="PUNC">[</span><span class="NUMB">1</span><span class="PUNC">]</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>176</span> </span><span class="WHIT">		</span><span class="NAME">this.z</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">arguments</span><span class="PUNC">[</span><span class="NUMB">2</span><span class="PUNC">]</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>177</span> </span><span class="WHIT">		</span><span class="NAME">this.w</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">arguments</span><span class="PUNC">[</span><span class="NUMB">3</span><span class="PUNC">]</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>178</span> </span><span class="WHIT">	</span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>179</span> 
<span class='line'>180</span> </span><span class="WHIT">	</span><span class="KEYW">return</span><span class="WHIT"> </span><span class="KEYW">this</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>181</span> </span><span class="PUNC">}</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>182</span> 
<span class='line'>183</span> </span><span class="COMM">/**
<span class='line'>184</span> 	Multiply another quaternion to this quaternion.
<span class='line'>185</span> */</span><span class="WHIT">
<span class='line'>186</span> </span><span class="NAME">Cal3D.CalQuaternion.prototype.multQuaternionLocal</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">function</span><span class="PUNC">(</span><span class="NAME">q</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>187</span> </span><span class="WHIT">	</span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">qx</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">this.x</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>188</span> </span><span class="WHIT">	</span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">qy</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">this.y</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>189</span> </span><span class="WHIT">	</span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">qz</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">this.z</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>190</span> </span><span class="WHIT">	</span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">qw</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">this.w</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>191</span> </span><span class="WHIT">	</span><span class="WHIT">
<span class='line'>192</span> </span><span class="WHIT">	</span><span class="NAME">this.x</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">qw</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="NAME">q.x</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="NAME">qx</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="NAME">q.w</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="NAME">qy</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="NAME">q.z</span><span class="WHIT"> </span><span class="PUNC">-</span><span class="WHIT"> </span><span class="NAME">qz</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="NAME">q.y</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>193</span> </span><span class="WHIT">	</span><span class="NAME">this.y</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">qw</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="NAME">q.y</span><span class="WHIT"> </span><span class="PUNC">-</span><span class="WHIT"> </span><span class="NAME">qx</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="NAME">q.z</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="NAME">qy</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="NAME">q.w</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="NAME">qz</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="NAME">q.x</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>194</span> </span><span class="WHIT">	</span><span class="NAME">this.z</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">qw</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="NAME">q.z</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="NAME">qx</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="NAME">q.y</span><span class="WHIT"> </span><span class="PUNC">-</span><span class="WHIT"> </span><span class="NAME">qy</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="NAME">q.x</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="NAME">qz</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="NAME">q.w</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>195</span> </span><span class="WHIT">	</span><span class="NAME">this.w</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">qw</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="NAME">q.w</span><span class="WHIT"> </span><span class="PUNC">-</span><span class="WHIT"> </span><span class="NAME">qx</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="NAME">q.x</span><span class="WHIT"> </span><span class="PUNC">-</span><span class="WHIT"> </span><span class="NAME">qy</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="NAME">q.y</span><span class="WHIT"> </span><span class="PUNC">-</span><span class="WHIT"> </span><span class="NAME">qz</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="NAME">q.z</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>196</span> 
<span class='line'>197</span> </span><span class="WHIT">	</span><span class="KEYW">return</span><span class="WHIT"> </span><span class="KEYW">this</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>198</span> </span><span class="PUNC">}</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>199</span> 
<span class='line'>200</span> </span><span class="COMM">/**
<span class='line'>201</span> 	Multiply a vector to this quaternion.
<span class='line'>202</span> */</span><span class="WHIT">
<span class='line'>203</span> </span><span class="NAME">Cal3D.CalQuaternion.prototype.multVectorLocal</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">function</span><span class="PUNC">(</span><span class="NAME">v</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>204</span> </span><span class="WHIT">	</span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">qx</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">this.x</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>205</span> </span><span class="WHIT">	</span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">qy</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">this.y</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>206</span> </span><span class="WHIT">	</span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">qz</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">this.z</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>207</span> </span><span class="WHIT">	</span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">qw</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">this.w</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>208</span> </span><span class="WHIT">	</span><span class="WHIT">
<span class='line'>209</span> </span><span class="WHIT">	</span><span class="NAME">this.x</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">qw</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="NAME">v.x</span><span class="WHIT">            </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="NAME">qy</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="NAME">v.z</span><span class="WHIT"> </span><span class="PUNC">-</span><span class="WHIT"> </span><span class="NAME">qz</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="NAME">v.y</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>210</span> </span><span class="WHIT">	</span><span class="NAME">this.y</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">qw</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="NAME">v.y</span><span class="WHIT"> </span><span class="PUNC">-</span><span class="WHIT"> </span><span class="NAME">qx</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="NAME">v.z</span><span class="WHIT">            </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="NAME">qz</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="NAME">v.x</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>211</span> </span><span class="WHIT">	</span><span class="NAME">this.z</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">qw</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="NAME">v.z</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="NAME">qx</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="NAME">v.y</span><span class="WHIT"> </span><span class="PUNC">-</span><span class="WHIT"> </span><span class="NAME">qy</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="NAME">v.x</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>212</span> </span><span class="WHIT">	</span><span class="NAME">this.w</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT">          </span><span class="PUNC">-</span><span class="WHIT"> </span><span class="NAME">qx</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="NAME">v.x</span><span class="WHIT"> </span><span class="PUNC">-</span><span class="WHIT"> </span><span class="NAME">qy</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="NAME">v.y</span><span class="WHIT"> </span><span class="PUNC">-</span><span class="WHIT"> </span><span class="NAME">qz</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="NAME">v.z</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>213</span> 
<span class='line'>214</span> </span><span class="WHIT">	</span><span class="KEYW">return</span><span class="WHIT"> </span><span class="KEYW">this</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>215</span> </span><span class="PUNC">}</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>216</span> 
<span class='line'>217</span> </span><span class="COMM">/**
<span class='line'>218</span> 	See if this quaternion equals to another quaternion.
<span class='line'>219</span> */</span><span class="WHIT">
<span class='line'>220</span> </span><span class="NAME">Cal3D.CalQuaternion.prototype.equalTo</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">function</span><span class="PUNC">(</span><span class="NAME">q</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>221</span> </span><span class="WHIT">	</span><span class="KEYW">return</span><span class="WHIT">  </span><span class="NAME">this.x</span><span class="WHIT"> </span><span class="PUNC">==</span><span class="WHIT"> </span><span class="NAME">q.x</span><span class="WHIT"> </span><span class="PUNC">&&</span><span class="WHIT"> </span><span class="WHIT">
<span class='line'>222</span> </span><span class="WHIT">			</span><span class="NAME">this.y</span><span class="WHIT"> </span><span class="PUNC">==</span><span class="WHIT"> </span><span class="NAME">q.y</span><span class="WHIT"> </span><span class="PUNC">&&</span><span class="WHIT"> </span><span class="WHIT">
<span class='line'>223</span> </span><span class="WHIT">			</span><span class="NAME">this.z</span><span class="WHIT"> </span><span class="PUNC">==</span><span class="WHIT"> </span><span class="NAME">q.z</span><span class="WHIT"> </span><span class="PUNC">&&</span><span class="WHIT"> </span><span class="WHIT">
<span class='line'>224</span> </span><span class="WHIT">			</span><span class="NAME">this.w</span><span class="WHIT"> </span><span class="PUNC">==</span><span class="WHIT"> </span><span class="NAME">q.w</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>225</span> </span><span class="PUNC">}</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>226</span> 
<span class='line'>227</span> </span><span class="COMM">/**
<span class='line'>228</span> 	Interpolate this quaternion to another quaternion by a given factor.
<span class='line'>229</span> */</span><span class="WHIT">
<span class='line'>230</span> </span><span class="NAME">Cal3D.CalQuaternion.prototype.blend</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">function</span><span class="PUNC">(</span><span class="NAME">d</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">q</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>231</span> </span><span class="WHIT">	</span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">norm</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">this.x</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="NAME">q.x</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="NAME">this.y</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="NAME">q.y</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="NAME">this.z</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="NAME">q.z</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="NAME">this.w</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="NAME">q.w</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>232</span> </span><span class="WHIT">	</span><span class="WHIT">
<span class='line'>233</span> </span><span class="WHIT">	</span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">bFlip</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">false</span><span class="PUNC">;</span><span class="WHIT">	</span><span class="WHIT">
<span class='line'>234</span> </span><span class="WHIT">	</span><span class="KEYW">if</span><span class="PUNC">(</span><span class="NAME">norm</span><span class="WHIT"> </span><span class="PUNC">&lt;</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">)</span><span class="WHIT">
<span class='line'>235</span> </span><span class="WHIT">	</span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>236</span> </span><span class="WHIT">		</span><span class="NAME">norm</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="PUNC">-</span><span class="NAME">norm</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>237</span> </span><span class="WHIT">		</span><span class="NAME">bFlip</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">true</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>238</span> </span><span class="WHIT">	</span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>239</span> </span><span class="WHIT">	</span><span class="WHIT">
<span class='line'>240</span> </span><span class="WHIT">	</span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">inv_d</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>241</span> </span><span class="WHIT">	</span><span class="KEYW">if</span><span class="PUNC">(</span><span class="NUMB">1</span><span class="WHIT"> </span><span class="PUNC">-</span><span class="WHIT"> </span><span class="NAME">norm</span><span class="WHIT"> </span><span class="PUNC">&lt;</span><span class="WHIT"> </span><span class="NUMB">1</span><span class="NAME">e</span><span class="PUNC">-</span><span class="NUMB">6</span><span class="PUNC">)</span><span class="WHIT">
<span class='line'>242</span> </span><span class="WHIT">	</span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>243</span> </span><span class="WHIT">		</span><span class="NAME">inv_d</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NUMB">1</span><span class="WHIT"> </span><span class="PUNC">-</span><span class="WHIT"> </span><span class="NAME">d</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>244</span> </span><span class="WHIT">	</span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>245</span> </span><span class="WHIT">	</span><span class="KEYW">else</span><span class="WHIT">
<span class='line'>246</span> </span><span class="WHIT">	</span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>247</span> </span><span class="WHIT">		</span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">theta</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">Math.acos</span><span class="PUNC">(</span><span class="NAME">norm</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>248</span> </span><span class="WHIT">		</span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">s</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NUMB">1</span><span class="WHIT"> </span><span class="PUNC">/</span><span class="WHIT"> </span><span class="NAME">Math.sin</span><span class="PUNC">(</span><span class="NAME">theta</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>249</span> </span><span class="WHIT">		</span><span class="WHIT">
<span class='line'>250</span> </span><span class="WHIT">		</span><span class="NAME">inv_d</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">Math.sin</span><span class="PUNC">(</span><span class="PUNC">(</span><span class="NUMB">1</span><span class="WHIT"> </span><span class="PUNC">-</span><span class="WHIT"> </span><span class="NAME">d</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="NAME">theta</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="NAME">s</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>251</span> </span><span class="WHIT">		</span><span class="NAME">d</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">Math.sin</span><span class="PUNC">(</span><span class="NAME">d</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="NAME">theta</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="NAME">s</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>252</span> </span><span class="WHIT">	</span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>253</span> </span><span class="WHIT">	</span><span class="WHIT">
<span class='line'>254</span> </span><span class="WHIT">	</span><span class="KEYW">if</span><span class="PUNC">(</span><span class="NAME">bFlip</span><span class="PUNC">)</span><span class="WHIT">
<span class='line'>255</span> </span><span class="WHIT">	</span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>256</span> </span><span class="WHIT">		</span><span class="NAME">d</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="PUNC">-</span><span class="NAME">d</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>257</span> </span><span class="WHIT">	</span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>258</span> </span><span class="WHIT">	</span><span class="WHIT">
<span class='line'>259</span> </span><span class="WHIT">	</span><span class="NAME">this.x</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">inv_d</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="NAME">this.x</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="NAME">d</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="NAME">q.x</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>260</span> </span><span class="WHIT">	</span><span class="NAME">this.y</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">inv_d</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="NAME">this.y</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="NAME">d</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="NAME">q.y</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>261</span> </span><span class="WHIT">	</span><span class="NAME">this.z</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">inv_d</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="NAME">this.z</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="NAME">d</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="NAME">q.z</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>262</span> </span><span class="WHIT">	</span><span class="NAME">this.w</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">inv_d</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="NAME">this.w</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="NAME">d</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="NAME">q.w</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>263</span> </span><span class="PUNC">}</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>264</span> 
<span class='line'>265</span> </span><span class="COMM">/**
<span class='line'>266</span> 	Clear the quaternion.
<span class='line'>267</span> */</span><span class="WHIT">
<span class='line'>268</span> </span><span class="NAME">Cal3D.CalQuaternion.prototype.clear</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">function</span><span class="PUNC">(</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>269</span> </span><span class="WHIT">	</span><span class="NAME">this.x</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>270</span> </span><span class="WHIT">	</span><span class="NAME">this.y</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>271</span> </span><span class="WHIT">	</span><span class="NAME">this.z</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>272</span> </span><span class="WHIT">	</span><span class="NAME">this.w</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NUMB">1</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>273</span> </span><span class="PUNC">}</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>274</span> 
<span class='line'>275</span> </span><span class="COMM">/**
<span class='line'>276</span> 	Conjugate the quaternion.
<span class='line'>277</span> */</span><span class="WHIT">
<span class='line'>278</span> </span><span class="NAME">Cal3D.CalQuaternion.prototype.conjugate</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">function</span><span class="PUNC">(</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>279</span> </span><span class="WHIT">	</span><span class="NAME">this.x</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="PUNC">-</span><span class="NAME">this.x</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>280</span> </span><span class="WHIT">	</span><span class="NAME">this.y</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="PUNC">-</span><span class="NAME">this.y</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>281</span> </span><span class="WHIT">	</span><span class="NAME">this.z</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="PUNC">-</span><span class="NAME">this.z</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>282</span> </span><span class="PUNC">}</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>283</span> 
<span class='line'>284</span> </span><span class="COMM">/**
<span class='line'>285</span> 	Invert the quaternion.
<span class='line'>286</span> */</span><span class="WHIT">
<span class='line'>287</span> </span><span class="NAME">Cal3D.CalQuaternion.prototype.invert</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">function</span><span class="PUNC">(</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>288</span> </span><span class="WHIT">	</span><span class="NAME">this.conjugate</span><span class="PUNC">(</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>289</span> 
<span class='line'>290</span> </span><span class="WHIT">	</span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">norm</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">this.x</span><span class="PUNC">*</span><span class="NAME">this.x</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">this.y</span><span class="PUNC">*</span><span class="NAME">this.y</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">this.z</span><span class="PUNC">*</span><span class="NAME">this.z</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">this.w</span><span class="PUNC">*</span><span class="NAME">this.w</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">	</span><span class="WHIT">
<span class='line'>291</span> </span><span class="WHIT">	</span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">norm</span><span class="WHIT"> </span><span class="PUNC">==</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="WHIT">
<span class='line'>292</span> </span><span class="WHIT">		</span><span class="KEYW">return</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>293</span> </span><span class="WHIT">	</span><span class="WHIT">
<span class='line'>294</span> </span><span class="WHIT">	</span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">inv_norm</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NUMB">1</span><span class="WHIT"> </span><span class="PUNC">/</span><span class="WHIT"> </span><span class="NAME">norm</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>295</span> </span><span class="WHIT">	</span><span class="NAME">this.x</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">inv_norm</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>296</span> </span><span class="WHIT">	</span><span class="NAME">this.y</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">inv_norm</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>297</span> </span><span class="WHIT">	</span><span class="NAME">this.z</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">inv_norm</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>298</span> </span><span class="WHIT">	</span><span class="NAME">this.w</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">inv_norm</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>299</span> </span><span class="PUNC">}</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>300</span> 
<span class='line'>301</span> </span><span class="COMM">/**
<span class='line'>302</span> 	Multiply two quaternions and return a new quaternion that holds the result.
<span class='line'>303</span> */</span><span class="WHIT">
<span class='line'>304</span> </span><span class="NAME">Cal3D.quaternionMult</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">function</span><span class="PUNC">(</span><span class="NAME">q0</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">q1</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>305</span> </span><span class="WHIT">	</span><span class="KEYW">return</span><span class="WHIT"> </span><span class="KEYW">new</span><span class="WHIT"> </span><span class="NAME">Cal3D.CalQuaternion</span><span class="PUNC">(</span><span class="WHIT">
<span class='line'>306</span> </span><span class="WHIT">		</span><span class="NAME">q1.w</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="NAME">q0.x</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="NAME">q1.x</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="NAME">q0.w</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="NAME">q1.y</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="NAME">q0.z</span><span class="WHIT"> </span><span class="PUNC">-</span><span class="WHIT"> </span><span class="NAME">q1.z</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="NAME">q0.y</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>307</span> </span><span class="WHIT">		</span><span class="NAME">q1.w</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="NAME">q0.y</span><span class="WHIT"> </span><span class="PUNC">-</span><span class="WHIT"> </span><span class="NAME">q1.x</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="NAME">q0.z</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="NAME">q1.y</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="NAME">q0.w</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="NAME">q1.z</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="NAME">q0.x</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>308</span> </span><span class="WHIT">		</span><span class="NAME">q1.w</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="NAME">q0.z</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="NAME">q1.x</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="NAME">q0.y</span><span class="WHIT"> </span><span class="PUNC">-</span><span class="WHIT"> </span><span class="NAME">q1.y</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="NAME">q0.x</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="NAME">q1.z</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="NAME">q0.w</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>309</span> </span><span class="WHIT">		</span><span class="NAME">q1.w</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="NAME">q0.w</span><span class="WHIT"> </span><span class="PUNC">-</span><span class="WHIT"> </span><span class="NAME">q1.x</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="NAME">q0.x</span><span class="WHIT"> </span><span class="PUNC">-</span><span class="WHIT"> </span><span class="NAME">q1.y</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="NAME">q0.y</span><span class="WHIT"> </span><span class="PUNC">-</span><span class="WHIT"> </span><span class="NAME">q1.z</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="NAME">q0.z</span><span class="WHIT">
<span class='line'>310</span> </span><span class="WHIT">	</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>311</span> </span><span class="PUNC">}</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>312</span> 
<span class='line'>313</span> </span><span class="COMM">/**
<span class='line'>314</span> 	Calculate the shortest arc quaternion that will rotate one vector to another and return a quaternion that holds the result.
<span class='line'>315</span> */</span><span class="WHIT">
<span class='line'>316</span> </span><span class="NAME">Cal3D.shortestArc</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">function</span><span class="PUNC">(</span><span class="NAME">from</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">to</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>317</span> </span><span class="WHIT">	</span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">cp</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">Cal3D.vectorCross</span><span class="PUNC">(</span><span class="NAME">from</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">to</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT"> </span><span class="WHIT">
<span class='line'>318</span> </span><span class="WHIT">	</span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">dp</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">Cal3D.vectorDot</span><span class="PUNC">(</span><span class="NAME">from</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">to</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>319</span> </span><span class="WHIT">	</span><span class="WHIT">
<span class='line'>320</span> </span><span class="WHIT">	</span><span class="COMM">// we will use this equation twice</span><span class="WHIT">
<span class='line'>321</span> </span><span class="WHIT">	</span><span class="NAME">dp</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">Math.sqrt</span><span class="PUNC">(</span><span class="WHIT"> </span><span class="NUMB">2</span><span class="PUNC">*</span><span class="PUNC">(</span><span class="NAME">dp</span><span class="PUNC">+</span><span class="NUMB">1</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT"> </span><span class="WHIT">
<span class='line'>322</span> </span><span class="WHIT">	</span><span class="WHIT">
<span class='line'>323</span> </span><span class="WHIT">	</span><span class="COMM">// get the x, y, z components</span><span class="WHIT">
<span class='line'>324</span> </span><span class="WHIT">	</span><span class="NAME">cp.divScalarLocal</span><span class="PUNC">(</span><span class="NAME">dp</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>325</span> </span><span class="WHIT">	</span><span class="WHIT">
<span class='line'>326</span> </span><span class="WHIT">	</span><span class="COMM">// return with the w component (Note that w is inverted because Cal3D has left-handed rotations)</span><span class="WHIT">
<span class='line'>327</span> </span><span class="WHIT">	</span><span class="KEYW">return</span><span class="WHIT"> </span><span class="KEYW">new</span><span class="WHIT"> </span><span class="NAME">Cal3D.CalQuaternion</span><span class="PUNC">(</span><span class="WHIT"> </span><span class="NAME">cp.x</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">cp.y</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">cp.z</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="PUNC">-</span><span class="NAME">dp</span><span class="PUNC">/</span><span class="NUMB">2</span><span class="WHIT"> </span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>328</span> </span><span class="PUNC">}</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>329</span> 
<span class='line'>330</span> 
<span class='line'>331</span> 
<span class='line'>332</span> </span><span class="COMM">/**
<span class='line'>333</span> 	@class CalVector
<span class='line'>334</span> */</span><span class="WHIT">
<span class='line'>335</span> </span><span class="NAME">Cal3D.CalVector</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">function</span><span class="PUNC">(</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>336</span> </span><span class="WHIT">	</span><span class="NAME">this.x</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>337</span> </span><span class="WHIT">	</span><span class="NAME">this.y</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>338</span> </span><span class="WHIT">	</span><span class="NAME">this.z</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>339</span> 
<span class='line'>340</span> </span><span class="WHIT">	</span><span class="NAME">this.assign.apply</span><span class="PUNC">(</span><span class="KEYW">this</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">arguments</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>341</span> </span><span class="PUNC">}</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>342</span> 
<span class='line'>343</span> </span><span class="COMM">/**
<span class='line'>344</span> 	Directly assign components of the vector, or copy componebts from another vector.
<span class='line'>345</span> */</span><span class="WHIT">
<span class='line'>346</span> </span><span class="NAME">Cal3D.CalVector.prototype.assign</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">function</span><span class="PUNC">(</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>347</span> </span><span class="WHIT">	</span><span class="KEYW">if</span><span class="PUNC">(</span><span class="NAME">arguments.length</span><span class="WHIT"> </span><span class="PUNC">==</span><span class="WHIT"> </span><span class="NUMB">1</span><span class="WHIT"> </span><span class="PUNC">&&</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">arguments</span><span class="PUNC">[</span><span class="NUMB">0</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="KEYW">instanceof</span><span class="WHIT"> </span><span class="NAME">Cal3D.CalVector</span><span class="PUNC">)</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>348</span> </span><span class="WHIT">		</span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">other</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">arguments</span><span class="PUNC">[</span><span class="NUMB">0</span><span class="PUNC">]</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>349</span> </span><span class="WHIT">		</span><span class="NAME">this.x</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">other.x</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>350</span> </span><span class="WHIT">		</span><span class="NAME">this.y</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">other.y</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>351</span> </span><span class="WHIT">		</span><span class="NAME">this.z</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">other.z</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>352</span> </span><span class="WHIT">	</span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>353</span> </span><span class="WHIT">	</span><span class="KEYW">else</span><span class="WHIT"> </span><span class="KEYW">if</span><span class="PUNC">(</span><span class="NAME">arguments.length</span><span class="WHIT"> </span><span class="PUNC">==</span><span class="WHIT"> </span><span class="NUMB">3</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>354</span> </span><span class="WHIT">		</span><span class="NAME">this.x</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">arguments</span><span class="PUNC">[</span><span class="NUMB">0</span><span class="PUNC">]</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>355</span> </span><span class="WHIT">		</span><span class="NAME">this.y</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">arguments</span><span class="PUNC">[</span><span class="NUMB">1</span><span class="PUNC">]</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>356</span> </span><span class="WHIT">		</span><span class="NAME">this.z</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">arguments</span><span class="PUNC">[</span><span class="NUMB">2</span><span class="PUNC">]</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>357</span> </span><span class="WHIT">	</span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>358</span> 
<span class='line'>359</span> </span><span class="WHIT">	</span><span class="KEYW">return</span><span class="WHIT"> </span><span class="KEYW">this</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>360</span> </span><span class="PUNC">}</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>361</span> 
<span class='line'>362</span> </span><span class="COMM">/**
<span class='line'>363</span> 	Add another vector to this vector.
<span class='line'>364</span> */</span><span class="WHIT">
<span class='line'>365</span> </span><span class="NAME">Cal3D.CalVector.prototype.addLocal</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">function</span><span class="PUNC">(</span><span class="NAME">v</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>366</span> </span><span class="WHIT">	</span><span class="NAME">this.x</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">v.x</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>367</span> </span><span class="WHIT">	</span><span class="NAME">this.y</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">v.y</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>368</span> </span><span class="WHIT">	</span><span class="NAME">this.z</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">v.z</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>369</span> 
<span class='line'>370</span> </span><span class="WHIT">	</span><span class="KEYW">return</span><span class="WHIT"> </span><span class="KEYW">this</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>371</span> </span><span class="PUNC">}</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>372</span> 
<span class='line'>373</span> </span><span class="COMM">/**
<span class='line'>374</span> 	Subtract another vector from this vector.
<span class='line'>375</span> */</span><span class="WHIT">
<span class='line'>376</span> </span><span class="NAME">Cal3D.CalVector.prototype.subLocal</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">function</span><span class="PUNC">(</span><span class="NAME">v</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>377</span> </span><span class="WHIT">	</span><span class="NAME">this.x</span><span class="WHIT"> </span><span class="PUNC">-</span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">v.x</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>378</span> </span><span class="WHIT">	</span><span class="NAME">this.y</span><span class="WHIT"> </span><span class="PUNC">-</span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">v.y</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>379</span> </span><span class="WHIT">	</span><span class="NAME">this.z</span><span class="WHIT"> </span><span class="PUNC">-</span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">v.z</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>380</span> 
<span class='line'>381</span> </span><span class="WHIT">	</span><span class="KEYW">return</span><span class="WHIT"> </span><span class="KEYW">this</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>382</span> </span><span class="PUNC">}</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>383</span> 
<span class='line'>384</span> </span><span class="COMM">/**
<span class='line'>385</span> 	Scale the vector by a given factor.
<span class='line'>386</span> */</span><span class="WHIT">
<span class='line'>387</span> </span><span class="NAME">Cal3D.CalVector.prototype.multScalarLocal</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">function</span><span class="PUNC">(</span><span class="NAME">factor</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>388</span> </span><span class="WHIT">	</span><span class="NAME">this.x</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">factor</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>389</span> </span><span class="WHIT">	</span><span class="NAME">this.y</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">factor</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>390</span> </span><span class="WHIT">	</span><span class="NAME">this.z</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">factor</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>391</span> 
<span class='line'>392</span> </span><span class="WHIT">	</span><span class="KEYW">return</span><span class="WHIT"> </span><span class="KEYW">this</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>393</span> </span><span class="PUNC">}</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>394</span> 
<span class='line'>395</span> </span><span class="COMM">/**
<span class='line'>396</span> 	Transform the vector by a quaternion.
<span class='line'>397</span> */</span><span class="WHIT">
<span class='line'>398</span> </span><span class="NAME">Cal3D.CalVector.prototype.multQuaternionLocal</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">function</span><span class="PUNC">(</span><span class="NAME">q</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>399</span> </span><span class="WHIT">	</span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">temp</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">new</span><span class="WHIT"> </span><span class="NAME">Cal3D.CalQuaternion</span><span class="PUNC">(</span><span class="PUNC">-</span><span class="NAME">q.x</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="PUNC">-</span><span class="NAME">q.y</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="PUNC">-</span><span class="NAME">q.z</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">q.w</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>400</span> </span><span class="WHIT">	</span><span class="NAME">temp.multVectorLocal</span><span class="PUNC">(</span><span class="KEYW">this</span><span class="PUNC">)</span><span class="PUNC">.</span><span class="NAME">multQuaternionLocal</span><span class="PUNC">(</span><span class="NAME">q</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>401</span> 
<span class='line'>402</span> </span><span class="WHIT">	</span><span class="NAME">this.x</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">temp.x</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>403</span> </span><span class="WHIT">	</span><span class="NAME">this.y</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">temp.y</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>404</span> </span><span class="WHIT">	</span><span class="NAME">this.z</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">temp.z</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>405</span> 
<span class='line'>406</span> </span><span class="WHIT">	</span><span class="KEYW">return</span><span class="WHIT"> </span><span class="KEYW">this</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>407</span> </span><span class="PUNC">}</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>408</span> 
<span class='line'>409</span> </span><span class="COMM">/**
<span class='line'>410</span> 	Transform the vector by a matrix.
<span class='line'>411</span> */</span><span class="WHIT">
<span class='line'>412</span> </span><span class="NAME">Cal3D.CalVector.prototype.multMatrixLocal</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">function</span><span class="PUNC">(</span><span class="NAME">m</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>413</span> </span><span class="WHIT">	</span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">ox</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">this.x</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>414</span> </span><span class="WHIT">	</span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">oy</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">this.y</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>415</span> </span><span class="WHIT">	</span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">oz</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">this.z</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>416</span> </span><span class="WHIT">	</span><span class="NAME">this.x</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">m.dxdx</span><span class="PUNC">*</span><span class="NAME">ox</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="NAME">m.dxdy</span><span class="PUNC">*</span><span class="NAME">oy</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="NAME">m.dxdz</span><span class="PUNC">*</span><span class="NAME">oz</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>417</span> </span><span class="WHIT">	</span><span class="NAME">this.y</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">m.dydx</span><span class="PUNC">*</span><span class="NAME">ox</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="NAME">m.dydy</span><span class="PUNC">*</span><span class="NAME">oy</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="NAME">m.dydz</span><span class="PUNC">*</span><span class="NAME">oz</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>418</span> </span><span class="WHIT">	</span><span class="NAME">this.z</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">m.dzdx</span><span class="PUNC">*</span><span class="NAME">ox</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="NAME">m.dzdy</span><span class="PUNC">*</span><span class="NAME">oy</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="NAME">m.dzdz</span><span class="PUNC">*</span><span class="NAME">oz</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>419</span> 
<span class='line'>420</span> </span><span class="WHIT">	</span><span class="KEYW">return</span><span class="WHIT"> </span><span class="KEYW">this</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>421</span> </span><span class="PUNC">}</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>422</span> 
<span class='line'>423</span> </span><span class="COMM">/**
<span class='line'>424</span> 	Divide the vector by a given factor.
<span class='line'>425</span> */</span><span class="WHIT">
<span class='line'>426</span> </span><span class="NAME">Cal3D.CalVector.prototype.divScalarLocal</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">function</span><span class="PUNC">(</span><span class="NAME">factor</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>427</span> </span><span class="WHIT">	</span><span class="NAME">this.x</span><span class="WHIT"> </span><span class="PUNC">/</span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">factor</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>428</span> </span><span class="WHIT">	</span><span class="NAME">this.y</span><span class="WHIT"> </span><span class="PUNC">/</span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">factor</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>429</span> </span><span class="WHIT">	</span><span class="NAME">this.z</span><span class="WHIT"> </span><span class="PUNC">/</span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">factor</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>430</span> 
<span class='line'>431</span> </span><span class="WHIT">	</span><span class="KEYW">return</span><span class="WHIT"> </span><span class="KEYW">this</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>432</span> </span><span class="PUNC">}</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>433</span> 
<span class='line'>434</span> </span><span class="COMM">/**
<span class='line'>435</span> 	See if this vector equals another vector.
<span class='line'>436</span> */</span><span class="WHIT">
<span class='line'>437</span> </span><span class="NAME">Cal3D.CalVector.prototype.equalTo</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">function</span><span class="PUNC">(</span><span class="NAME">v</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>438</span> </span><span class="WHIT">	</span><span class="KEYW">return</span><span class="WHIT">  </span><span class="NAME">this.x</span><span class="WHIT"> </span><span class="PUNC">==</span><span class="WHIT"> </span><span class="NAME">v.x</span><span class="WHIT"> </span><span class="PUNC">&&</span><span class="WHIT"> </span><span class="WHIT">
<span class='line'>439</span> </span><span class="WHIT">			</span><span class="NAME">this.y</span><span class="WHIT"> </span><span class="PUNC">==</span><span class="WHIT"> </span><span class="NAME">v.y</span><span class="WHIT"> </span><span class="PUNC">&&</span><span class="WHIT"> </span><span class="WHIT">
<span class='line'>440</span> </span><span class="WHIT">			</span><span class="NAME">this.z</span><span class="WHIT"> </span><span class="PUNC">==</span><span class="WHIT"> </span><span class="NAME">v.z</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>441</span> </span><span class="PUNC">}</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>442</span> 
<span class='line'>443</span> </span><span class="COMM">/**
<span class='line'>444</span> 	Interpolate this vector to another vector by a given factor.
<span class='line'>445</span> */</span><span class="WHIT">
<span class='line'>446</span> </span><span class="NAME">Cal3D.CalVector.prototype.blend</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">function</span><span class="PUNC">(</span><span class="NAME">d</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">v</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>447</span> </span><span class="WHIT">	</span><span class="NAME">this.x</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">d</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">v.x</span><span class="WHIT"> </span><span class="PUNC">-</span><span class="WHIT"> </span><span class="NAME">this.x</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>448</span> </span><span class="WHIT">	</span><span class="NAME">this.y</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">d</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">v.y</span><span class="WHIT"> </span><span class="PUNC">-</span><span class="WHIT"> </span><span class="NAME">this.y</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>449</span> </span><span class="WHIT">	</span><span class="NAME">this.z</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">d</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">v.z</span><span class="WHIT"> </span><span class="PUNC">-</span><span class="WHIT"> </span><span class="NAME">this.z</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>450</span> </span><span class="PUNC">}</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>451</span> 
<span class='line'>452</span> </span><span class="COMM">/**
<span class='line'>453</span> 	Clear the vector.
<span class='line'>454</span> */</span><span class="WHIT">
<span class='line'>455</span> </span><span class="NAME">Cal3D.CalVector.prototype.clear</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">function</span><span class="PUNC">(</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>456</span> </span><span class="WHIT">	</span><span class="NAME">this.x</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>457</span> </span><span class="WHIT">	</span><span class="NAME">this.y</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>458</span> </span><span class="WHIT">	</span><span class="NAME">this.z</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>459</span> </span><span class="PUNC">}</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>460</span> 
<span class='line'>461</span> </span><span class="COMM">/**
<span class='line'>462</span> 	Get the length of the vector.
<span class='line'>463</span> */</span><span class="WHIT">
<span class='line'>464</span> </span><span class="NAME">Cal3D.CalVector.prototype.length</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">function</span><span class="PUNC">(</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>465</span> </span><span class="WHIT">	</span><span class="KEYW">return</span><span class="WHIT"> </span><span class="NAME">Math.sqrt</span><span class="PUNC">(</span><span class="NAME">this.x</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="NAME">this.x</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="NAME">this.y</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="NAME">this.y</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="NAME">this.z</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="NAME">this.z</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>466</span> </span><span class="PUNC">}</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>467</span> 
<span class='line'>468</span> </span><span class="COMM">/**
<span class='line'>469</span> 	Normalize the vector and renturn its former length.
<span class='line'>470</span> */</span><span class="WHIT">
<span class='line'>471</span> </span><span class="NAME">Cal3D.CalVector.prototype.normalize</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">function</span><span class="PUNC">(</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>472</span> </span><span class="WHIT">	</span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">len</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">Math.sqrt</span><span class="PUNC">(</span><span class="NAME">this.x</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="NAME">this.x</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="NAME">this.y</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="NAME">this.y</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="NAME">this.z</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="NAME">this.z</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>473</span> </span><span class="WHIT">	</span><span class="NAME">this.x</span><span class="WHIT"> </span><span class="PUNC">/</span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">len</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>474</span> </span><span class="WHIT">	</span><span class="NAME">this.y</span><span class="WHIT"> </span><span class="PUNC">/</span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">len</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>475</span> </span><span class="WHIT">	</span><span class="NAME">this.z</span><span class="WHIT"> </span><span class="PUNC">/</span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">len</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>476</span> 
<span class='line'>477</span> </span><span class="WHIT">	</span><span class="KEYW">return</span><span class="WHIT"> </span><span class="NAME">len</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>478</span> </span><span class="PUNC">}</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>479</span> 
<span class='line'>480</span> </span><span class="COMM">/**
<span class='line'>481</span> 	Add two vectors and return a new vector that holds the result.
<span class='line'>482</span> */</span><span class="WHIT">
<span class='line'>483</span> </span><span class="NAME">Cal3D.vectorAdd</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">function</span><span class="PUNC">(</span><span class="NAME">v0</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">v1</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>484</span> </span><span class="WHIT">	</span><span class="KEYW">return</span><span class="WHIT"> </span><span class="KEYW">new</span><span class="WHIT"> </span><span class="NAME">Cal3D.CalVector</span><span class="PUNC">(</span><span class="NAME">v0.x</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="NAME">v1.x</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">v0.y</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="NAME">v1.y</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">v0.z</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="NAME">v1.z</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>485</span> </span><span class="PUNC">}</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>486</span> 
<span class='line'>487</span> </span><span class="COMM">/**
<span class='line'>488</span> 	Subtract two vectors and return a new vector that holds the result.
<span class='line'>489</span> */</span><span class="WHIT">
<span class='line'>490</span> </span><span class="NAME">Cal3D.vectorSub</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">function</span><span class="PUNC">(</span><span class="NAME">v0</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">v1</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>491</span> </span><span class="WHIT">	</span><span class="KEYW">return</span><span class="WHIT"> </span><span class="KEYW">new</span><span class="WHIT"> </span><span class="NAME">Cal3D.CalVector</span><span class="PUNC">(</span><span class="NAME">v0.x</span><span class="WHIT"> </span><span class="PUNC">-</span><span class="WHIT"> </span><span class="NAME">v1.x</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">v0.y</span><span class="WHIT"> </span><span class="PUNC">-</span><span class="WHIT"> </span><span class="NAME">v1.y</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">v0.z</span><span class="WHIT"> </span><span class="PUNC">-</span><span class="WHIT"> </span><span class="NAME">v1.z</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>492</span> </span><span class="PUNC">}</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>493</span> 
<span class='line'>494</span> </span><span class="COMM">/**
<span class='line'>495</span> 	Multiply a vector and a scalar and return a new vector that holds the result.
<span class='line'>496</span> */</span><span class="WHIT">
<span class='line'>497</span> </span><span class="NAME">Cal3D.vectorScalarMult</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">function</span><span class="PUNC">(</span><span class="NAME">v</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">d</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>498</span> </span><span class="WHIT">	</span><span class="KEYW">return</span><span class="WHIT"> </span><span class="KEYW">new</span><span class="WHIT"> </span><span class="NAME">Cal3D.CalVector</span><span class="PUNC">(</span><span class="NAME">v.x</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="NAME">d</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">v.y</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="NAME">d</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">v.z</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="NAME">d</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>499</span> </span><span class="PUNC">}</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>500</span> 
<span class='line'>501</span> </span><span class="COMM">/**
<span class='line'>502</span> 	Divide a vector by a scalar and return a new vector that holds the result.
<span class='line'>503</span> */</span><span class="WHIT">
<span class='line'>504</span> </span><span class="NAME">Cal3D.vectorScalarDiv</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">function</span><span class="PUNC">(</span><span class="NAME">v</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">d</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>505</span> </span><span class="WHIT">	</span><span class="KEYW">return</span><span class="WHIT"> </span><span class="KEYW">new</span><span class="WHIT"> </span><span class="NAME">Cal3D.CalVector</span><span class="PUNC">(</span><span class="NAME">v.x</span><span class="WHIT"> </span><span class="PUNC">/</span><span class="WHIT"> </span><span class="NAME">d</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">v.y</span><span class="WHIT"> </span><span class="PUNC">/</span><span class="WHIT"> </span><span class="NAME">d</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">v.z</span><span class="WHIT"> </span><span class="PUNC">/</span><span class="WHIT"> </span><span class="NAME">d</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>506</span> </span><span class="PUNC">}</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>507</span> 
<span class='line'>508</span> </span><span class="COMM">/**
<span class='line'>509</span> 	Calculate dot product of two vectors and return a new vector that holds the result.
<span class='line'>510</span> */</span><span class="WHIT">
<span class='line'>511</span> </span><span class="NAME">Cal3D.vectorDot</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">function</span><span class="PUNC">(</span><span class="NAME">v0</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">v1</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>512</span> </span><span class="WHIT">	</span><span class="KEYW">return</span><span class="WHIT"> </span><span class="NAME">v0.x</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="NAME">v1.x</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="NAME">v0.y</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="NAME">v1.y</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="NAME">v0.z</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="NAME">v1.z</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>513</span> </span><span class="PUNC">}</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>514</span> 
<span class='line'>515</span> </span><span class="COMM">/**
<span class='line'>516</span> 	Calculate cross product of two vectors and return a new vector that holds the result.
<span class='line'>517</span> */</span><span class="WHIT">
<span class='line'>518</span> </span><span class="NAME">Cal3D.vectorCross</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">function</span><span class="PUNC">(</span><span class="NAME">v0</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">v1</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>519</span> </span><span class="WHIT">	</span><span class="KEYW">return</span><span class="WHIT"> </span><span class="KEYW">new</span><span class="WHIT"> </span><span class="NAME">Cal3D.CalVector</span><span class="PUNC">(</span><span class="NAME">v0.y</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="NAME">v1.z</span><span class="WHIT"> </span><span class="PUNC">-</span><span class="WHIT"> </span><span class="NAME">v0.z</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="NAME">v1.y</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">v0.z</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="NAME">v1.x</span><span class="WHIT"> </span><span class="PUNC">-</span><span class="WHIT"> </span><span class="NAME">v0.x</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="NAME">v1.z</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">v0.x</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="NAME">v1.y</span><span class="WHIT"> </span><span class="PUNC">-</span><span class="WHIT"> </span><span class="NAME">v0.y</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="NAME">v1.x</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>520</span> </span><span class="PUNC">}</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>521</span> </span></pre></body></html>